Effect of Xanthan gum seed coating on seed germination and seedling vigour of finger millet (Eleusine coracana L.)

Environment Conservation Journal Pub Date : 2024-02-07 DOI:10.36953/ecj.24342669

V. Vijayalakshmi, S. Sathish, R. Umarani

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Abstract

Six Hydrophilic polymers Xanthan Gum, Iota Carrageenan, Kappa Carrageenan, Agar Agar, Food grade Agar and Gellan Gum were studied for polymerization potential and water holding capacities. Among the six polymers, Xanthan gum and Iota Carageenan recorded the maximum values for water holding capacities of 38.27 ml/g and 34.17 ml/g and were forwarded for the Seed coating experiment. Coating experiments consist of twodosages of polymer powders (10g, and 20g /kg) and two concentrations of sticking agent (water 5ml and 10 ml). Coated seeds exposed to seed germination studies against untreated seeds. Results revealed that Finger millet seeds coated with 20 g Xanthan gum + 10 ml water as sticker recorded the maximum values for seed germination (87%), seedling length (26.23cm), dry matter production (12.47mg 10 seedlings-1)and Vigour Index I (2282) and II (1084).The % increase over the control was 7 for seed germination, 56 for seedling length (cm), 21 for dry matter production (mg) ,69 for seedling vigour index I and 31for seedling vigour index II. From the studies it could be concluded that Finger millet seeds coated with the Xanthangum @20 g can be recommended as pre sowing seed treatment for improving the Seed Germination and seedling vigour.

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黄原胶种衣剂对指天粟种子萌发和幼苗活力的影响

研究了六种亲水聚合物黄原胶、Iota 卡拉胶、Kappa 卡拉胶、琼脂琼脂、食品级琼脂和结冷胶的聚合潜力和持水能力。在这六种聚合物中，黄原胶和 Iota 卡拉胶的持水量最大，分别为 38.27 毫升/克和 34.17 毫升/克，被用于种子包衣实验。包衣实验包括两种剂量的聚合物粉末（10 克和 20 克/千克）和两种浓度的粘合剂（5 毫升水和 10 毫升水）。将包衣种子与未包衣种子进行种子萌发对比研究。结果表明，用 20 克黄原胶+10 毫升水作为粘合剂包衣的小米种子在种子发芽率（87%）、苗长（26.23 厘米）、干物质产量（12.47 毫克 10 苗-1）、活力指数 I（2282）和 II（1084）方面均达到最高值。与对照相比，种子发芽率提高了 7%，苗长（厘米）提高了 56%，干物质产量（毫克）提高了 21%，苗活力指数 I 提高了 69%，苗活力指数 II 提高了 31%。从研究中可以得出结论，用黄腐酸（20 克）包衣的小米种子可作为播种前种子处理剂，以提高种子发芽率和幼苗活力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Environment Conservation Journal

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